/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
 * in FIPS PUB 180-1
 * Version 2.1-BETA Copyright Paul Johnston 2000 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 */
/*
 * Configurable variables. You may need to tweak these to be compatible with
 * the server-side, but the defaults work in most cases.
 */
var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase     */
var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance  */
var chrsz = 8; /* bits per input character. 8 - ASCII; 16 - Unicode    */
/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
function hex_sha1(s) {
 return binb2hex(core_sha1(str2binb(s), s.length * chrsz));
}
function b64_sha1(s) {
 return binb2b64(core_sha1(str2binb(s), s.length * chrsz));
}
function str_sha1(s) {
 return binb2str(core_sha1(str2binb(s), s.length * chrsz));
}
function hex_hmac_sha1(key, data) {
 return binb2hex(core_hmac_sha1(key, data));
}
function b64_hmac_sha1(key, data) {
 return binb2b64(core_hmac_sha1(key, data));
}
function str_hmac_sha1(key, data) {
 return binb2str(core_hmac_sha1(key, data));
}
/*
 * Perform a simple self-test to see if the VM is working
 */
function sha1_vm_test() {
 return hex_sha1("abc") == "a9993e364706816aba3e25717850c26c9cd0d89d";
}
/*
 * Calculate the SHA-1 of an array of big-endian words, and a bit length
 */
function core_sha1(x, len) {
 /* append padding */
 x[len >> 5] |= 0x80 << (24 - len % 32);
 x[((len + 64 >> 9) << 4) + 15] = len;
 var w = Array(80);
 var a = 1732584193;
 var b = -271733879;
 var c = -1732584194;
 var d = 271733878;
 var e = -1009589776;
 for (var i = 0; i < x.length; i += 16) {
  var olda = a;
  var oldb = b;
  var oldc = c;
  var oldd = d;
  var olde = e;
  for (var j = 0; j < 80; j++) {
   if (j < 16) w[j] = x[i + j];
   else w[j] = rol(w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16], 1);
   var t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)), safe_add(safe_add(e, w[j]), sha1_kt(j)));
   e = d;
   d = c;
   c = rol(b, 30);
   b = a;
   a = t;
  }
  a = safe_add(a, olda);
  b = safe_add(b, oldb);
  c = safe_add(c, oldc);
  d = safe_add(d, oldd);
  e = safe_add(e, olde);
 }
 return Array(a, b, c, d, e);
}
/*
 * Perform the appropriate triplet combination function for the current
 * iteration
 */
function sha1_ft(t, b, c, d) {
 if (t < 20) return (b & c) | ((~b) & d);
 if (t < 40) return b ^ c ^ d;
 if (t < 60) return (b & c) | (b & d) | (c & d);
 return b ^ c ^ d;
}
/*
 * Determine the appropriate additive constant for the current iteration
 */
function sha1_kt(t) {
 return (t < 20) ? 1518500249 : (t < 40) ? 1859775393 : (t < 60) ? -1894007588 : -899497514;
}
/*
 * Calculate the HMAC-SHA1 of a key and some data
 */
function core_hmac_sha1(key, data) {
 var bkey = str2binb(key);
 if (bkey.length > 16) bkey = core_sha1(bkey, key.length * chrsz);
 var ipad = Array(16),
  opad = Array(16);
 for (var i = 0; i < 16; i++) {
  ipad[i] = bkey[i] ^ 0x36363636;
  opad[i] = bkey[i] ^ 0x5C5C5C5C;
 }
 var hash = core_sha1(ipad.concat(str2binb(data)), 512 + data.length * chrsz);
 return core_sha1(opad.concat(hash), 512 + 160);
}
/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y) {
 var lsw = (x & 0xFFFF) + (y & 0xFFFF);
 var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
 return (msw << 16) | (lsw & 0xFFFF);
}
/*
 * Bitwise rotate a 32-bit number to the left.
 */
function rol(num, cnt) {
 return (num << cnt) | (num >>> (32 - cnt));
}
/*
 * Convert an 8-bit or 16-bit string to an array of big-endian words
 * In 8-bit function, characters >255 have their hi-byte silently ignored.
 */
function str2binb(str) {
 var bin = Array();
 var mask = (1 << chrsz) - 1;
 for (var i = 0; i < str.length * chrsz; i += chrsz)
 bin[i >> 5] |= (str.charCodeAt(i / chrsz) & mask) << (24 - i % 32);
 return bin;
}
/*
 * Convert an array of big-endian words to a string
 */
function binb2str(bin) {
 var str = "";
 var mask = (1 << chrsz) - 1;
 for (var i = 0; i < bin.length * 32; i += chrsz)
 str += String.fromCharCode((bin[i >> 5] >>> (24 - i % 32)) & mask);
 return str;
}
/*
 * Convert an array of big-endian words to a hex string.
 */
function binb2hex(binarray) {
 var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
 var str = "";
 for (var i = 0; i < binarray.length * 4; i++) {
  str += hex_tab.charAt((binarray[i >> 2] >> ((3 - i % 4) * 8 + 4)) & 0xF) + hex_tab.charAt((binarray[i >> 2] >> ((3 - i % 4) * 8)) & 0xF);
 }
 return str;
}
/*
 * Convert an array of big-endian words to a base-64 string
 */
function binb2b64(binarray) {
 var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
 var str = "";
 for (var i = 0; i < binarray.length * 4; i += 3) {
  var triplet = (((binarray[i >> 2] >> 8 * (3 - i % 4)) & 0xFF) << 16) | (((binarray[i + 1 >> 2] >> 8 * (3 - (i + 1) % 4)) & 0xFF) << 8) | ((binarray[i + 2 >> 2] >> 8 * (3 - (i + 2) % 4)) & 0xFF);
  for (var j = 0; j < 4; j++) {
   if (i * 8 + j * 6 > binarray.length * 32) str += b64pad;
   else str += tab.charAt((triplet >> 6 * (3 - j)) & 0x3F);
  }
 }
 return str;
}




// $(function(){


      function randomString(len) {
      　　len = len || 32;
      　　var $chars = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678';    /****默认去掉了容易混淆的字符oOLl,9gq,Vv,Uu,I1****/
      　　var maxPos = $chars.length;
      　　var pwd = '';
      　　for (i = 0; i < len; i++) {
      　　　　pwd += $chars.charAt(Math.floor(Math.random() * maxPos));
      　　}
      　　return pwd;
      }


        // 生成签名时间戳
        var timestamp = (new Date()).valueOf();
        // 生成签名随机串
        var nonceStr = randomString(16)
        // 签名
        var signature
        var url = window.location.href
        var string1 = "jsapi_ticket=" + jsapi_ticket +  "&noncestr=" + nonceStr + "&timestamp=" + timestamp + "&url=" + url
        signature = hex_sha1(string1)
        // console.log(signature)





    wx.config({

        debug: false, // 开启调试模式,调用的所有api的返回值会在客户端alert出来，若要查看传入的参数，可以在pc端打开，参数信息会通过log打出，仅在pc端时才会打印。

        appId: 'wx8fd5f99a7b9f1fb5', // 必填，公众号的唯一标识

        timestamp: timestamp, // 必填，生成签名的时间戳

        nonceStr: nonceStr, // 必填，生成签名的随机串

        signature: signature,// 必填，签名，见附录1

        jsApiList: [
              'onMenuShareTimeline',
              'onMenuShareAppMessage',
              'onMenuShareQQ',
              'onMenuShareWeibo',
              'hideMenuItems',
              'showMenuItems',
              'hideAllNonBaseMenuItem',
              'showAllNonBaseMenuItem',
              'translateVoice',
              'startRecord',
              'stopRecord',
              'onRecordEnd',
              'playVoice',
              'pauseVoice',
              'stopVoice',
              'uploadVoice',
              'downloadVoice',
              'chooseImage',
              'previewImage',
              'uploadImage',
              'downloadImage',
              'getNetworkType',
              'openLocation',
              'getLocation',
              'hideOptionMenu',
              'showOptionMenu',
              'closeWindow',
              'scanQRCode',
              'chooseWXPay',
              'openProductSpecificView',
              'addCard',
              'chooseCard',
              'openCard'
        ] // 必填，需要使用的JS接口列表,，所有JS接口列表见附录2

    });

    wx.ready(function(){

        // 分享给朋友
        wx.onMenuShareAppMessage({

            title: '点击免费领300万元京东卡', // 分享标题

            desc: '《集分竞宝》过年撒币！拿完京东卡秒得千万豪礼', // 分享描述

            link: url, // 分享链接，该链接域名或路径必须与当前页面对应的公众号JS安全域名一致

            imgUrl: 'http://www.zbqibing.com/wx/wm-jd.jpg', // 分享图标

            type: '', // 分享类型,music、video或link，不填默认为link

            dataUrl: '', // 如果type是music或video，则要提供数据链接，默认为空

            success: function () { 

                // 用户确认分享后执行的回调函数

            },

            cancel: function () { 

                // 用户取消分享后执行的回调函数

            }

        });

        // 分享到朋友圈
        wx.onMenuShareTimeline({

            title: '点击免费领300万元京东卡', // 分享标题

            link: url, // 分享链接，该链接域名或路径必须与当前页面对应的公众号JS安全域名一致

            imgUrl: 'http://www.zbqibing.com/wx/wm-jd.jpg', // 分享图标

            success: function () { 

                // 用户确认分享后执行的回调函数

            },

            cancel: function () { 

                // 用户取消分享后执行的回调函数

            }

        });

        // config信息验证后会执行ready方法，所有接口调用都必须在config接口获得结果之后，config是一个客户端的异步操作，所以如果需要在页面加载时就调用相关接口，则须把相关接口放在ready函数中调用来确保正确执行。对于用户触发时才调用的接口，则可以直接调用，不需要放在ready函数中。

    });

    wx.error(function(res){
        // config信息验证失败会执行error函数，如签名过期导致验证失败，具体错误信息可以打开config的debug模式查看，也可以在返回的res参数中查看，对于SPA可以在这里更新签名。

    });


    

  // })



